NISSAN 2015 LEAF - Owner's Manual - Manual (Page 80)

EVSE (ELECTRIC VEHICLE SUPPLY
EQUIPMENT) CONTROL BOX
INDICATOR LIGHT
When a trickle charge is being performed, the
charging status is shown by the indicator light
that is on the EVSE (Electric Vehicle Supply
Equipment) control box.
An indicator light also indicates if there is a EVSE
(Electric Vehicle Supply Equipment) malfunction.
Charging CH-31